Parrotfish can eat steamed buns. Steamed buns will become very soft in water, and parrotfish can consume them.

The Dietary Preferences and Nutritional Requirements of Parrotfish
Parrotfish are omnivorous fish, and their food sources include both plant-based and animal-based foods. Common feeds include brine shrimp, water fleas, insects, worms, silkworm pupae, etc. In addition, various vegetables, fruits, and rice grains can also be fed to the fish. However, raw meat should not be fed because it may contain pathogens or parasites, which is not beneficial to parrotfish.
Types of Feeds Suitable for Parrotfish
Meiji Complete Nutritional Fish Feed for Koi Carp: Specifically designed for koi carp and goldfish, it provides comprehensive nutrition and is suitable for various ornamental fish, especially parrotfish and the fish in fish ponds.
Derui Aquarium Blood Parrotfish Color-Enhancing and Red-Enhancing Feed: Specifically designed for tropical ornamental fish, it enhances the red brightness of blood parrotfish and is suitable for various ornamental fish species such as koi carp and goldfish.
Dolphin Parrotfish Color-Enhancing Feed: Specifically designed for blood parrotfish and fortune fish, it has an obvious red-enhancing effect and a balanced nutrition.
Jipinhong Blood Parrotfish Color-Enhancing Feed: With a high protein content, it enhances the vividness and brightness of the fish's body color.
Mengzhengyi Antarctic Krill Fish Feed: Rich in high-quality protein and various nutrients, it is suitable for ornamental fish such as arowana, large fish, koi carp, and blood parrotfish.